#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <long long int> a) {
    long long int sum=0;
    long long temp;
    vector<long long int>::iterator i;
    for(i=a.begin();i!=a.end();++i)
    {
            temp=*i;
            while(temp)
            {
                sum+=temp%10;
                temp=temp/10;
            }
    }
    if(sum%3)
        return "No";
    else
        return "Yes" ;  
    // Return "Yes" or "No" denoting whether you can construct the required number.
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<long long int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
        string result = canConstruct(a);
        cout << result << endl;
    }
    return 0;
}